Appendix
PPC-1781
· 95 ·
Interconnect express
duplex interface with high data
transmission rate
PCMCIA
Personal Computer
Memory Card
International Association
PI Protective
grounding Protective
conductor
PEG
PCI Express Graphics
PG Programming
PC
PIC
Programmable interrupt
controller
Programmable interrupt
controller
POST Power-on
Self
Test
PXE
Preboot execute
environment
Software used to operate new
device without hard disk data by
network
RAID
Redundancy Array of
Independent
Redundant hard disk array
RAL Restricted
access
location
Install devices in operating
equipment with restricted access
(for example, locked cabinet)
RAM Random
Access
Memory
RI
Ring input
Ring in
ROM Read-only
Memory
RS 485
Reconciliation Sublayer
485
Designed to be used for
dual-way bus system with up to
32 nodes
RTC
Real Time Clock
Real time clock
RTS
Apply for transmission